gamermanh , 11 days ago I live in an area with the exact opposite issue (my battery MELTED) so I'm probably wrong, but isn't that what the battery blankets they try to sell you on when you buy an EV is for?
I live in an area with the exact opposite issue (my battery MELTED) so I'm probably wrong, but isn't that what the battery blankets they try to sell you on when you buy an EV is for?